package com.titar.robot.widgets;


import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.text.Editable;
import android.text.InputType;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.text.method.HideReturnsTransformationMethod;
import android.text.method.PasswordTransformationMethod;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnFocusChangeListener;
import android.view.animation.Animation;
import android.view.animation.CycleInterpolator;
import android.view.animation.TranslateAnimation;
import android.widget.EditText;


import com.joe.blockview.utils.ScreenUtils;
import com.titar.robot.R;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;


@SuppressLint("AppCompatCustomView")
public class DeleteEditText extends EditText implements
        OnFocusChangeListener, TextWatcher {
    /**
     * 删除按钮的引用
     */
    private boolean password = false;
    private Drawable mClearDrawable;
    private String digits = "";

    public DeleteEditText(Context context) {
        this(context, null);
    }

    public DeleteEditText(Context context, AttributeSet attrs) {
        /**
         *  这里构造方法也很重要，不加这个很多属性不能再XML里面定义
         */
        this(context, attrs, android.R.attr.editTextStyle);
    }

    public DeleteEditText(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    private void init() {
        /**
         * 获取EditText的DrawableRight,假如没有设置我们就使用默认的图片
         */
        mClearDrawable = getCompoundDrawables()[2];
        if (mClearDrawable == null) {
            mClearDrawable = getResources().getDrawable(R.drawable.del1);
        }
        mClearDrawable.setBounds((int) ScreenUtils.getPxFromDp(getContext().getResources(), -13), 0, (int) ScreenUtils.getPxFromDp(getContext().getResources(), 3),
                (int) ScreenUtils.getPxFromDp(getContext().getResources(), 16));

        setClearIconVisible(false);
        setOnFocusChangeListener(this);
        addTextChangedListener(this);
    }

    public void setDrawable() {
        mClearDrawable = getCompoundDrawables()[2];
        if (mClearDrawable == null) {
            mClearDrawable = getResources().getDrawable(R.drawable.del1);
        }
        int hei = (int) ScreenUtils.getPxFromDp(getContext().getResources(), 16);
        mClearDrawable.setBounds(0, 0, hei, hei);

        setClearIconVisible(false);
        setOnFocusChangeListener(this);
        addTextChangedListener(this);
    }


    /**
     * 因为我们不能直接给EditText设置点击事件，所以我们用记住我们按下的位置来模拟点击事件
     * 当我们按下的位置 在  EditText的宽度 - 图标到控件右边的间距 - 图标的宽度  和
     * EditText的宽度 - 图标到控件右边的间距之间我们就算点击了图标，竖直方向没有考虑
     */
    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if (getCompoundDrawables()[2] != null) {
            if (event.getAction() == MotionEvent.ACTION_UP) {
                boolean touchable = (event.getX()) > (getWidth()
                        - getPaddingRight() - mClearDrawable.getIntrinsicWidth())
                        && ((event.getX() - 20) < getWidth());
                if (touchable) {
                    this.setText("");
                }
            }
        }

        return super.onTouchEvent(event);
    }

    /**
     * 当ClearEditText焦点发生变化的时候，判断里面字符串长度设置清除图标的显示与隐藏
     */
    @Override
    public void onFocusChange(View v, boolean hasFocus) {
        if (hasFocus) {
            setClearIconVisible(getText().length() > 0);

        } else {
            setClearIconVisible(false);

        }
    }

    /**
     * 设置清除图标的显示与隐藏，调用setCompoundDrawables为EditText绘制上去
     *
     * @param visible
     */
    public void setClearIconVisible(boolean visible) {
        if (isHidDelete) visible = false;
        Drawable right = visible ? mClearDrawable : null;
        setCompoundDrawables(getCompoundDrawables()[0],
                getCompoundDrawables()[1], right, getCompoundDrawables()[3]);
    }

    private boolean isHidDelete;

    public void setIsHideDelete(boolean isShowDelete) {
        this.isHidDelete = isShowDelete;
        setCompoundDrawables(getCompoundDrawables()[0],
                getCompoundDrawables()[1], null, getCompoundDrawables()[3]);
    }

    /**
     * 当输入框里面内容发生变化的时候回调的方法
     */
    @Override
    public void onTextChanged(CharSequence s, int start, int count,
                              int after) {
        setClearIconVisible(s.length() > 0);

        if (password) {
            Log.i("password", "password  " + password);
            // 显示为密码
            //
            //setTransformationMethod(HideReturnsTransformationMethod.getInstance());
            setTransformationMethod(PasswordTransformationMethod.getInstance());
        } else {
            setTransformationMethod(HideReturnsTransformationMethod.getInstance());
            //setTransformationMethod(PasswordTransformationMethod.getInstance());
        }
        this.postInvalidate();
        this.setSelection(this.getText().length());
    }

    @Override
    public void beforeTextChanged(CharSequence s, int start, int count,
                                  int after) {

    }

    @Override
    public void afterTextChanged(Editable arg0) {
        if (!TextUtils.isEmpty(digits)) {
            char[] degit = new char[arg0.length()];
            arg0.getChars(0, arg0.length(), degit, 0);
            for (int i = 0; i < degit.length; i++) {
                String value = arg0.toString();
                char ch = degit[i];
                       /* try{
                            if(ch>=48&&ch<=57){//数字

                                return;

                            }

                            if(ch>=65&&ch<=90){//大写字母

                                return;

                            }

                            if(ch>97&&ch<=122){//小写字母

                                return;

                            }
                            value = value.replaceAll(String.valueOf(ch),"");
                            editText.setText(value);
                        }catch (Exception e) {



                        }*/

                if (!digits.contains(String.valueOf(ch))) {

                    //  value = value.replaceAll(String.valueOf(ch), "");
                    String values = stringFilter(value);
                    this.setText(values);


                    return;
                }


            }
        }

    }

    public static String stringFilter(String str) throws PatternSyntaxException {
        // 只允许字母和数字
        String regEx = "[^a-zA-Z0-9]";
        Pattern p = Pattern.compile(regEx);
        Matcher m = p.matcher(str);
        return m.replaceAll("").trim();
    }

    public void setIsPassword(boolean isPassword) {
        password = isPassword;
        if(isPassword){
            setInputType(InputType.TYPE_TEXT_VARIATION_PASSWORD|InputType.TYPE_CLASS_TEXT);
        }
    }

    public void setmyDigits(String digits) {
        this.digits = digits;
    }

    /**
     * 设置晃动动画
     */
    public void setShakeAnimation() {
        this.setAnimation(shakeAnimation(5));
    }


    /**
     * 晃动动画
     * param counts 1秒钟晃动多少下
     * return
     */
    public static Animation shakeAnimation(int counts) {
        Animation translateAnimation = new TranslateAnimation(0, 10, 0, 0);
        translateAnimation.setInterpolator(new CycleInterpolator(counts));
        translateAnimation.setDuration(1000);
        return translateAnimation;
    }


}
